Long-term Incentive Compensation (Summary of Performance Cash Awards Activity) (Details) - Performance cash awards - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number of Shares
Number of Shares/Units, Unvested shares/units at January 1 (in shares)	18,353,000	0
Number of Shares/Units, Granted (in shares)	18,546,000	20,044,000
Number of Shares/Units, Vested (in shares)	(4,955,000)	(100,000)
Number of Shares/Units, Forfeited (in shares)	(3,672,000)	(1,591,000)
Number of Shares/Units, Unvested shares/units at December 31 (in shares)	28,272,000	18,353,000
Weighted Average Fair Value
Weighted Average Fair Value, Unvested shares/units at January 1 (in dollars per share)	$ 1.00	$ 0
Weighted Average Fair Value, Granted (in dollars per share)	1.00	1.00
Weighted Average Fair Value, Vested (in dollars per share)	1.00	1.00
Weighted Average Fair Value, Forfeited (in dollars per share)	1.00	1.00
Weighted Average Fair Value, Unvested shares/units at December 31 (in dollars per share)	$ 1.00	$ 1.00
Workforce Reduction
Number of Shares
Number of Shares/Units, Forfeited (in shares)	(1,241,000)	(945,500)